<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    div {
      width: 100px;
      height: 100px;
      background-color: red;
    }

    /* .span1 {
      margin-right: 100px;
    } */

    .span2 {
      margin-left: 100px;
    }
  </style>
</head>

<body>

  <div>1</div>
  <div>2</div>

  <span class="span1">1234</span>
  <span class="span2">1234</span>

  <script>




  </script>

</body>



</html>